package com.pd.kit;
import org.apache.commons.lang3.StringUtils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;


public class IdCardUtils extends StringUtils {


        /** 中国公民身份证号码最小长度。 */

        public static final int CHINA_ID_MIN_LENGTH = 15;

        /** 中国公民身份证号码最大长度。 */

        public static final int CHINA_ID_MAX_LENGTH = 18;

        /** 省、直辖市代码表 */
        public static String cityCode[] = {
                "11", "12", "13", "14", "15", "21", "22", "23", "31", "32", "33", "34", "35", "36", "37", "41",
                "42", "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", "63", "64", "65", "71",
                "81", "82", "91"
        };

        /** 每位加权因子 */
        private static int power[] = {
                7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2
        };

        /** 第18位校检码 */
        private static String verifyCode[] = {
                "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"
        };

        /** 最低年限 */
        public static final int MIN = 1930;

        public static Map<String, String> cityCodes = new HashMap<String, String>();

        /** 台湾身份首字母对应数字 */
        public static Map<String, Integer> twFirstCode = new HashMap<String, Integer>();

        /** 香港身份首字母对应数字 */
        public static Map<String, Integer> hkFirstCode = new HashMap<String, Integer>();

        static {
            cityCodes.put("11", "北京");
            cityCodes.put("12", "天津");
            cityCodes.put("13", "河北");
            cityCodes.put("14", "山西");
            cityCodes.put("15", "内蒙古");
            cityCodes.put("21", "辽宁");
            cityCodes.put("22", "吉林");
            cityCodes.put("23", "黑龙江");
            cityCodes.put("31", "上海");
            cityCodes.put("32", "江苏");
            cityCodes.put("33", "浙江");
            cityCodes.put("34", "安徽");
            cityCodes.put("35", "福建");
            cityCodes.put("36", "江西");
            cityCodes.put("37", "山东");
            cityCodes.put("41", "河南");
            cityCodes.put("42", "湖北");
            cityCodes.put("43", "湖南");
            cityCodes.put("44", "广东");
            cityCodes.put("45", "广西");
            cityCodes.put("46", "海南");
            cityCodes.put("50", "重庆");
            cityCodes.put("51", "四川");
            cityCodes.put("52", "贵州");
            cityCodes.put("53", "云南");
            cityCodes.put("54", "西藏");
            cityCodes.put("61", "陕西");
            cityCodes.put("62", "甘肃");
            cityCodes.put("63", "青海");
            cityCodes.put("64", "宁夏");
            cityCodes.put("65", "新疆");
            cityCodes.put("71", "台湾");
            cityCodes.put("81", "香港");
            cityCodes.put("82", "澳门");
            cityCodes.put("91", "国外");
            twFirstCode.put("A", 10);
            twFirstCode.put("B", 11);
            twFirstCode.put("C", 12);
            twFirstCode.put("D", 13);
            twFirstCode.put("E", 14);
            twFirstCode.put("F", 15);
            twFirstCode.put("G", 16);

            twFirstCode.put("H", 17);

            twFirstCode.put("J", 18);

            twFirstCode.put("K", 19);

            twFirstCode.put("L", 20);

            twFirstCode.put("M", 21);

            twFirstCode.put("N", 22);

            twFirstCode.put("P", 23);

            twFirstCode.put("Q", 24);

            twFirstCode.put("R", 25);

            twFirstCode.put("S", 26);

            twFirstCode.put("T", 27);

            twFirstCode.put("U", 28);

            twFirstCode.put("V", 29);

            twFirstCode.put("X", 30);

            twFirstCode.put("Y", 31);

            twFirstCode.put("W", 32);

            twFirstCode.put("Z", 33);

            twFirstCode.put("I", 34);

            twFirstCode.put("O", 35);

            hkFirstCode.put("A", 1);

            hkFirstCode.put("B", 2);

            hkFirstCode.put("C", 3);

            hkFirstCode.put("R", 18);

            hkFirstCode.put("U", 21);

            hkFirstCode.put("Z", 26);

            hkFirstCode.put("X", 24);

            hkFirstCode.put("W", 23);

            hkFirstCode.put("O", 15);

            hkFirstCode.put("N", 14);

        }



        /**
         * 将15位身份证号码转换为18位
         *
         * @param idCard
         *            15位身份编码
         * @return 18位身份编码
         */
        public static String conver15CardTo18(String idCard) {
            String idCard18 = "";
            if (idCard.length() != CHINA_ID_MIN_LENGTH) {
                return null;
            }

            if (isNum(idCard)) {
                // 获取出生年月日
                String birthday = idCard.substring(6, 12);
                Date birthDate = null;
                try {
                    birthDate = new SimpleDateFormat("yyMMdd").parse(birthday);
                } catch (ParseException e) {
                    e.printStackTrace();
                }

                Calendar cal = Calendar.getInstance();
                if (birthDate != null) {
                    cal.setTime(birthDate);
                }
                // 获取出生年(完全表现形式,如：2010)
                String sYear = String.valueOf(cal.get(Calendar.YEAR));
                idCard18 = idCard.substring(0, 6) + sYear + idCard.substring(8);
                // 转换字符数组
                char[] cArr = idCard18.toCharArray();
                if (cArr != null) {
                    int[] iCard = converCharToInt(cArr);
                    int iSum17 = getPowerSum(iCard);
                    // 获取校验位
                    String sVal = getCheckCode18(iSum17);
                    if (sVal.length() > 0) {
                        idCard18 += sVal;
                    } else {
                        return null;
                    }
                }
            } else {
                return null;
            }
            return idCard18;

        }



        /**
         * 验证身份证是否合法
         */
        public static boolean validateCard(String idCard) {
            if(idCard == null) {
                return false;
            }

            String card = idCard.trim();
            if(card.length() != 18 && card.length() != 15 && card.length() !=10) {
                return false;
            }

            if (validateIdCard18(card)) {
                return true;
            }

            if (validateIdCard15(card)) {
                return true;
            }

            String[] cardval = validateIdCard10(card);
            if (cardval != null) {
                if (cardval[2].equals("true")) {
                    return true;
                }
            }
            return false;
        }



        /**

         * 验证18位身份编码是否合法

         *

         * @param idCard 身份编码

         * @return 是否合法

         */

        public static boolean validateIdCard18(String idCard) {

            boolean bTrue = false;

            if (idCard.length() != CHINA_ID_MAX_LENGTH) {
                return bTrue;
            }

            // 前17位
            String code17 = idCard.substring(0, 17);

            // 第18位
            String code18 = idCard.substring(17, CHINA_ID_MAX_LENGTH);

            if (isNum(code17)) {

                char[] cArr = code17.toCharArray();

                if (cArr != null) {

                    int[] iCard = converCharToInt(cArr);

                    int iSum17 = getPowerSum(iCard);

                    // 获取校验位

                    String val = getCheckCode18(iSum17);

                    if (val.length() > 0) {

                        if (val.equalsIgnoreCase(code18)) {

                            bTrue = true;

                        }

                    }

                }

            }

            return bTrue;

        }



        /**

         * 验证15位身份编码是否合法

         *

         * @param idCard

         *            身份编码

         * @return 是否合法

         */

        public static boolean validateIdCard15(String idCard) {

            if (idCard.length() != CHINA_ID_MIN_LENGTH) {

                return false;

            }

            if (isNum(idCard)) {

                String proCode = idCard.substring(0, 2);

                if (cityCodes.get(proCode) == null) {

                    return false;

                }

                String birthCode = idCard.substring(6, 12);

                Date birthDate = null;

                try {

                    birthDate = new SimpleDateFormat("yy").parse(birthCode.substring(0, 2));

                } catch (ParseException e) {

                    e.printStackTrace();

                }

                Calendar cal = Calendar.getInstance();

                if (birthDate != null) {
                    cal.setTime(birthDate);
                }

                if (!valiDate(cal.get(Calendar.YEAR), Integer.valueOf(birthCode.substring(2, 4)),

                        Integer.valueOf(birthCode.substring(4, 6)))) {

                    return false;

                }

            } else {

                return false;

            }

            return true;

        }



        /**

         * 验证10位身份编码是否合法

         *

         * @param idCard 身份编码

         * @return 身份证信息数组

         *         <p>

         *         [0] - 台湾、澳门、香港 [1] - 性别(男M,女F,未知N) [2] - 是否合法(合法true,不合法false)

         *         若不是身份证件号码则返回null

         *         </p>

         */

        public static String[] validateIdCard10(String idCard) {

            String[] info = new String[3];

            String card = idCard.replaceAll("[\\(|\\)]", "");

            if (card.length() != 8 && card.length() != 9 && idCard.length() != 10) {

                return null;

            }

            if (idCard.matches("^[a-zA-Z][0-9]{9}$")) { // 台湾

                info[0] = "台湾";

                String char2 = idCard.substring(1, 2);

                if (char2.equals("1")) {

                    info[1] = "M";

                } else if (char2.equals("2")) {

                    info[1] = "F";

                } else {

                    info[1] = "N";

                    info[2] = "false";

                    return info;

                }

                info[2] = validateTWCard(idCard) ? "true" : "false";

            } else if (idCard.matches("^[1|5|7][0-9]{6}\\(?[0-9A-Z]\\)?$")) { // 澳门

                info[0] = "澳门";

                info[1] = "N";

                // TODO

            } else if (idCard.matches("^[A-Z]{1,2}[0-9]{6}\\(?[0-9A]\\)?$")) { // 香港

                info[0] = "香港";

                info[1] = "N";

                info[2] = validateHKCard(idCard) ? "true" : "false";

            } else {

                return null;

            }

            return info;

        }



        /**

         * 验证台湾身份证号码

         *

         * @param idCard

         *            身份证号码

         * @return 验证码是否符合

         */

        public static boolean validateTWCard(String idCard) {

            String start = idCard.substring(0, 1);

            String mid = idCard.substring(1, 9);

            String end = idCard.substring(9, 10);

            Integer iStart = twFirstCode.get(start);

            Integer sum = iStart / 10 + (iStart % 10) * 9;

            char[] chars = mid.toCharArray();

            Integer iflag = 8;

            for (char c : chars) {

                sum = sum + Integer.valueOf(c + "") * iflag;

                iflag--;

            }

            return (sum % 10 == 0 ? 0 : (10 - sum % 10)) == Integer.valueOf(end) ? true : false;

        }



        /**

         * 验证香港身份证号码(存在Bug，部份特殊身份证无法检查)

         * <p>

         * 身份证前2位为英文字符，如果只出现一个英文字符则表示第一位是空格，对应数字58 前2位英文字符A-Z分别对应数字10-35

         * 最后一位校验码为0-9的数字加上字符"A"，"A"代表10

         * </p>

         * <p>

         * 将身份证号码全部转换为数字，分别对应乘9-1相加的总和，整除11则证件号码有效

         * </p>

         *

         * @param idCard 身份证号码

         * @return 验证码是否符合

         */

        public static boolean validateHKCard(String idCard) {

            String card = idCard.replaceAll("[\\(|\\)]", "");

            Integer sum = 0;

            if (card.length() == 9) {

                sum = (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()[0]) - 55) * 9

                        + (Integer.valueOf(card.substring(1, 2).toUpperCase().toCharArray()[0]) - 55) * 8;

                card = card.substring(1, 9);

            } else {

                sum = 522 + (Integer.valueOf(card.substring(0, 1).toUpperCase().toCharArray()[0]) - 55) * 8;

            }

            String mid = card.substring(1, 7);

            String end = card.substring(7, 8);

            char[] chars = mid.toCharArray();

            Integer iflag = 7;

            for (char c : chars) {

                sum = sum + Integer.valueOf(c + "") * iflag;

                iflag--;

            }

            if (end.toUpperCase().equals("A")) {

                sum = sum + 10;

            } else {

                sum = sum + Integer.valueOf(end);

            }

            return (sum % 11 == 0) ? true : false;

        }



        /**

         * 将字符数组转换成数字数组

         *

         * @param ca

         *            字符数组

         * @return 数字数组

         */

        public static int[] converCharToInt(char[] ca) {

            int len = ca.length;

            int[] iArr = new int[len];

            try {

                for (int i = 0; i < len; i++) {

                    iArr[i] = Integer.parseInt(String.valueOf(ca[i]));

                }

            } catch (NumberFormatException e) {

                e.printStackTrace();

            }

            return iArr;

        }



        /**

         * 将身份证的每位和对应位的加权因子相乘之后，再得到和值

         *

         * @param iArr

         * @return 身份证编码。

         */

        public static int getPowerSum(int[] iArr) {

            int iSum = 0;

            if (power.length == iArr.length) {

                for (int i = 0; i < iArr.length; i++) {

                    for (int j = 0; j < power.length; j++) {

                        if (i == j) {

                            iSum = iSum + iArr[i] * power[j];

                        }

                    }

                }

            }

            return iSum;

        }



        /**

         * 将power和值与11取模获得余数进行校验码判断

         *

         * @param iSum

         * @return 校验位

         */

        public static String getCheckCode18(int iSum) {

            String sCode = "";

            switch (iSum % 11) {

                case 10:

                    sCode = "2";

                    break;

                case 9:

                    sCode = "3";

                    break;

                case 8:

                    sCode = "4";

                    break;

                case 7:

                    sCode = "5";

                    break;

                case 6:

                    sCode = "6";

                    break;

                case 5:

                    sCode = "7";

                    break;

                case 4:

                    sCode = "8";

                    break;

                case 3:

                    sCode = "9";

                    break;

                case 2:

                    sCode = "x";

                    break;

                case 1:

                    sCode = "0";

                    break;

                case 0:

                    sCode = "1";

                    break;
                    default:;
            }

            return sCode;

        }



        /**

         * 根据身份编号获取年龄

         *

         * @param idCard

         *            身份编号

         * @return 年龄

         */

        public static int getAgeByIdCard(String idCard) {

            int iAge = 0;

            if (idCard.length() == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            String year = idCard.substring(6, 10);

            Calendar cal = Calendar.getInstance();

            int iCurrYear = cal.get(Calendar.YEAR);

            iAge = iCurrYear - Integer.valueOf(year);

            return iAge;

        }



        /**

         * 根据身份编号获取生日

         *

         * @param idCard 身份编号

         * @return 生日(yyyyMMdd)

         */

        public static String getBirthByIdCard(String idCard) {

            Integer len = idCard.length();

            if (len < CHINA_ID_MIN_LENGTH) {

                return null;

            } else if (len == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            return idCard.substring(6, 14);

        }



        /**

         * 根据身份编号获取生日年

         *

         * @param idCard 身份编号

         * @return 生日(yyyy)

         */

        public static Short getYearByIdCard(String idCard) {

            Integer len = idCard.length();

            if (len < CHINA_ID_MIN_LENGTH) {

                return null;

            } else if (len == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            return Short.valueOf(idCard.substring(6, 10));

        }



        /**

         * 根据身份编号获取生日月

         *

         * @param idCard

         *            身份编号

         * @return 生日(MM)

         */

        public static Short getMonthByIdCard(String idCard) {

            Integer len = idCard.length();

            if (len < CHINA_ID_MIN_LENGTH) {

                return null;

            } else if (len == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            return Short.valueOf(idCard.substring(10, 12));

        }



        /**

         * 根据身份编号获取生日天

         *

         * @param idCard

         *            身份编号

         * @return 生日(dd)

         */

        public static Short getDateByIdCard(String idCard) {

            Integer len = idCard.length();

            if (len < CHINA_ID_MIN_LENGTH) {

                return null;

            } else if (len == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            return Short.valueOf(idCard.substring(12, 14));

        }



        /**

         * 根据身份编号获取性别

         *

         * @param idCard 身份编号

         * @return 性别(M-男，F-女，N-未知)

         */

        public static String getGenderByIdCard(String idCard) {

            String sGender = "N";

            if (idCard.length() == CHINA_ID_MIN_LENGTH) {

                idCard = conver15CardTo18(idCard);

            }

            String sCardNum = idCard.substring(16, 17);

            if (Integer.parseInt(sCardNum) % 2 != 0) {

                sGender = "M";

            } else {

                sGender = "F";

            }

            return sGender;

        }



        /**

         * 根据身份编号获取户籍省份

         *

         * @param idCard 身份编码

         * @return 省级编码。

         */

        public static String getProvinceByIdCard(String idCard) {

            int len = idCard.length();

            String sProvince = null;

            String sProvinNum = "";

            if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {

                sProvinNum = idCard.substring(0, 2);

            }

            sProvince = cityCodes.get(sProvinNum);

            return sProvince;

        }



        /**

         * 数字验证

         *

         * @param val

         * @return 提取的数字。

         */

        public static boolean isNum(String val) {

            return val == null || "".equals(val) ? false : val.matches("^[0-9]*$");

        }



        /**

         * 验证小于当前日期 是否有效

         *

         * @param iYear

         *            待验证日期(年)

         * @param iMonth

         *            待验证日期(月 1-12)

         * @param iDate

         *            待验证日期(日)

         * @return 是否有效

         */

        public static boolean valiDate(int iYear, int iMonth, int iDate) {

            Calendar cal = Calendar.getInstance();

            int year = cal.get(Calendar.YEAR);

            int datePerMonth;

            if (iYear < MIN || iYear >= year) {

                return false;

            }

            if (iMonth < 1 || iMonth > 12) {

                return false;

            }

            switch (iMonth) {

                case 4:

                case 6:

                case 9:

                case 11:

                    datePerMonth = 30;

                    break;

                case 2:

                    boolean dm = ((iYear % 4 == 0 && iYear % 100 != 0) || (iYear % 400 == 0))

                            && (iYear > MIN && iYear < year);

                    datePerMonth = dm ? 29 : 28;

                    break;

                default:

                    datePerMonth = 31;

            }

            return (iDate >= 1) && (iDate <= datePerMonth);

        }

}
